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Upstream: Upstream data uses QPSK or 16-level QAM (16-QAM) for DOCSIS 1.x, while QPSK, 8-QAM, 16-QAM, 32-QAM, and 64-QAM are used for DOCSIS 2.0 and 3.0. DOCSIS 2.0 and 3.0 also support 128-QAM with trellis coded modulation in S-CDMA mode (with an effective spectral efficiency equivalent to that of 64-QAM). DOCSIS 3.1 supports data modulations ...
These packets are carried on data streams that are typically modulated onto a TV channel using either 64-QAM or 256-QAM versions of quadrature amplitude modulation. Upstream data (data from cable modems to the headend or Internet) is carried in Ethernet frames encapsulated inside DOCSIS frames modulated with QPSK , 16-QAM, 32-QAM, 64-QAM or 128 ...
1.2/0.075 kbit/s: 0.12/0.0075 kB/s ... DOCSIS 1.0 [12] (cable modem) 38 ... 128 Gbit/s: 15.754 GB/s: 2019 a ...
Video can be encoded according to standards such as NTSC, MPEG-2, DVB-C or the QAM standard and data according to DOCSIS, analog video can be scrambled, [12] signals can be modulated by analog or digital video modulators including QAM modulators [13] or edge QAMs for video and/or data depending on whether a modular CMTS is used, at the CMTS for ...
PacketCable 1.0 comprises eleven specifications and six technical reports which define call signaling, quality of service (QoS), codec usage, client provisioning, billing event message collection, public switched telephone network (PSTN) interconnection, and security interfaces for implement a single-zone PacketCable solution for residential Internet Protocol (IP) voice services.
2 0 [note 6] • Model WAN type ... DOCSIS 3.0 and lower — 4 Gigabit b/g/n a 2.4 5.0 ... 2 0 16 128 6.06 FRITZ!Box 7360 v1 VDSL2 — 4